Answer:
first check behind you, to make sure no one is coming then check in front of the vehicle to see if anyone is coming but check your blind spots first, then make a safe pass.
Explanation:
I believe it is C. It may be wrong but I remember doing this and believe it is right. Hope this helps !
Answer:
B. The new technologies would reduce positive checks on population.
Explanation:
Since there would be better and more efficient methods of farming that would reduce the positive checks that happen to the population. The positive checks would at first be a lot less impactful than before the technology. Disease and natural disasters would not cripple a population until it grows to a much larger number.
Minerals form during I. Crystallization in magma